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About miniwindsystems-com

At Mini Wind & Solar Technologies, we are constantly looking for smart ways of promoting our products with environmentally-friendly and sustainable means. One of the greatest online marketing concepts as well as offline promotional solutions we have found to date is using Pre-Built Paper Planes from pplanes.com, a professional and innovative branding agency run by young intelligent online marketers and advertising professionals. The pplanes range of promotional products includes different styles of low-carbon footprint products and service offers for seamlessly running communications and marketing campaigns and customer relations projects both online and off. Thank you pplanes.com for a great service! We can truly recommend them to everyone and enjoy doing business with them very much.

Solar PV generates electricity in a somewhat similar way as batteries do, albeit much more intelligently: in PV, neither any components wear out nor is there any poisonous substance involved (like acid in batteries, which also wears out through use). While also degrading as there is no Perpetuum Mobile in our environment, solar cells do last a lot longer than those “state-of-the-Arch” technologies called batteries. PV cells can produce energy for 35+ years before really “sucked-out”.

Over 90% of solar cells consist of silicon, a semiconductor material derived from sand. Semiconductors are materials whose electrical conductivity increases under light or heat.

For building solar cells, the silicon is doped (other chemical elements are added to it), either creating an electron surplus (n-conductive layer) or an electron shortage (p-conductive layer). That way, the doped areas become charged, and if two differently doped semiconductor areas convene, a so-called space charge region is created at the boundary layer (p-n junction), meaning there is a difference in electrical potential across the boundary.

This is what makes them somewhat related to batteries which use acid and two different metals to create the same effect for a limited time — until the battery becomes dis-charched or “empty”.

In order to achieve the desired effect in solar cells, the initial silicon material is normally p-doped lightly and a thin surface layer heavily n-doped. This creates the space charge region required for separating the charge carriers, known as electrons (negative charge) and holes (positive charge).
Different than batteries, solar cells do not need any added substances (like acid) in order to work, but the entire process is induced by just exposing them to sunlight (or even just daylight, i e it also works on an overcast day).

When the energy from the sun hits the semiconductor material, photons transfer their energy to the material, and electrons and holes achieve a higher energy state. This allows them to move. The negatively charged electrons move to the positively charged area, and the positively charged holes move to the negatively charged area. This process repeats, and the net flow of charge across the boundary is the electricity generated by that cell. To generate usable amounts of electricity, cells are arranged into modules, which are in turn arranged into your PV array.

The front is a metallic grid, enabling the sunlight to penetrate into silicon between the contacts. Solar cells are also coated with an anti-reflection coating, serving to protect the cell and to reduce energy losses resulting from reflection. From this layer solar cells receive their blueish-black visual appearance.

The basic output is then converted to usable voltages and currents in accordance with specifications needed using rectifiers, inverters or micro inverters, and similar electrical equipment.

Working with construction companies and project managers from Saudi Arabia and Africa to Europe and South America, we supply Renewables equipment worldwide to port facilities, bridge or airport or other construction projects worldwide as well as civil engineering requirements, real estate management companies, real estate developments and similar.

As International Renewables Suppliers, We Deliver to Construction Projects, Telecomms & Network Installations, or for any other Remote Power Needs Worldwide

Having power requirements, remote power needs for buildings, for railroads, signalling, data networking, telecommunications equipment, weather stations, webcams, or having any kind of power problems with your project? Then we’ve got the solutions:

The Schott Perform 195 Watt Monocrystalline PV Panel is the successor of the very popular 185 Wp monocrystalline module from the Perform series by Schott Solar of Germany. The latest and higher-capacity as well as lower-priced Schott Perform 195 Wp monocrystalline solar PV module has now largely replaced the previous 185 Wp model.

Schott’s 195 Wp model is a high-quality monocrystalline photovoltaic solar module and has the same set of specifications as its popular 185 Watt predecessor.

The LE-600 home wind turbine is a recent new model and has been produced to meet home or industrial users’ demand for a really powerful, yet compact mini wind generator. LE-600 is suitable for many off-grid applications as well as plug-in or grid-tie operation. A new elegant downwind body houses an extremely powerful and efficient Neodymium magnet axial flux generator. Look at the power curve and the turbine’s power-to-weight ratio as well as its power-to-cost ratios — this small wind turbine is set to be the market leader on any measure of performance.

LE-600 Turbine Design

By combining the successful design philosophies from both the LE-300 (Wren) micro wind generator and the bigger LE-1000 home wind turbine model, the LE-600 is an extreme-environment capable small wind turbine which offers exceptional value for money and great reliability. Typical applications for the LE-600 mini wind turbine include the ones previously covered by the much more expensive Airdolphin-PRO and range from unmanned monitoring stations, gas extraction platforms, live aboard marine vessels, road and safety signs to general off-grid power applications as well as augmentation of solar-PV generation (both gird-tied or off-grid).

Why the LE-600 Over Other Small Wind Generator Model Choices or Manufacturers?

The LE-600 is unique as a downwind turbine in this size category. This lends many advantages from reduced footprint/operating envelope to high stability in turbulent and gusty wind conditions. Downwind turbines also weigh less due to a much smaller turbine head. The unique swept turbine blades are engineered to perfectly match the alternator giving perfect synergy in operation whilst minimising turbine acoustics.

The blades of the LE-600 are manufactured using a unique process known as injection-moulding. The blade material is glass reinforced nylon which is highly durable and virtually indestructible in all environments and climates. The alternator is engineered to absorb all of the power that can be transmitted from the main rotor ensuring that power conversion is maximised and the main rotor is highly controlled.

A thermal shut-down system also automatically stops the turbine during prolonged high wind events. Power from the LE-600 is transmitted as ‘wild’ AC and is rectified to DC within the Power Conditioning Unit (PCU). This means that even 12 V power can be transmitted over relatively long distances with smaller, cheaper and easier to install cables. The PCU is also equipped with an integrated run/stop switch, ammeter and over-voltage protection when used with grid-tie inverters.

Small Wind Turbine LE-600 Comes Loaded with Design Advantages

The overall system design is kept simple and is laid out to reduce fatigue and stress on materials for long-term reliable operation and low TCO. This is a different approach than with many competing “high tech” turbines relying heavily on electronic speed controls and generator braking (ultimately bearing heavily on the coils and reducing the useful life of those turbines). LE-600 is the choice for reliable or not-so-frequently monitored applications and has been selected for professional applications like railway signalling, environmental or weather data stations and similar.

This turbine is NOT a haphazardly thrown-together, cheap Chinese-made product. It is NOT flown in from half around the world with an extremely bad environmental footprint of its own in the first place either, but the LE-600 small wind turbine has been very carefully designed and manufactured in Britain to the highest standards to give maximum value in the most demanding environments.

Home power may be your friend during the upcoming economic downturn. It is a bit like owning precious metals or “opting out” of our overly networked way of life in certain other ways. One of a the major incentives to investing in residential-scale Green Energy is its capability of hedging against two of the most likely economic risks threatening your money today: overall loss of currency value and ensuing consumer price inflation. These might materialize as soon as the end of summer 2012 and would likely be visible as a slight — and then accelerating, not so slight anymore — downturn and an increase in prices including energy and utility bills at the same go. The supporting fundamentals for both are in place, it’s just a matter of time for them to materialize. As noted above, both are likely to happen rather soon (and yes, even though it may sound contradictory from a conventional economic point of view to have both a severe recession or even deflation and an increase in energy prices at roughly the same time, this is still an ever increasingly-likely scenario).

LE-300 is the most affordable and lightweight, yet powerful, robust, and high-quality micro wind turbine you can think of. With a rotor diameter of just 1.0 metres and its extraordinarily low weight of just 5.5 kgs, this low-priced and very versatile clean power generator is fast and easy to set up and deploy. It can be used either as a home wind turbine or to power remote installations like weather monitoring, webcams, signalling devices or similar in a professional setting. Quality-built in the U. K. and using maintenance-free and sealed-for-life rare earth generators, the design life of this unit is 20 years (though this turbine will usually last a lot longer in real life thanks to its deliberately simple and straightforward design). Expected annual power production is 240 KWh to 1050 KWh (for sites averaging 4.1 m/s or 8.0 m/s respectively). Particularly when installation cost or the increasingly significant and recurring monthly subscription fees for grid power supply are added in, the LE-300 can provide a dramatically less costly and independent source of power and thus pay for itself in a relatively short period of time.

Here are the major specifications of this very affordable UK-made micro wind turbine at a glance:

Rotor Diameter

1 metre

Rotor Type:

3-Blade upwind

Blade Material:

Glass Reinforced, UV resistant Nylon

Rated Output:

85watts @ 8m/s (18mph)

Peak Output:

300watts

Cut-in speed:

3m/s (6.7mph)

Weight:

6kg

Generator Type:

3-Phase Brushless NIB rotor PMA

Output voltage:

12 or 24V

Warranty

5 years

Why choose the LE-300 Small Wind Turbine

Extremely quiet because of WhispowerTM blades

Lightweight – just 6kg – and easy to mount

Starts generating in very low winds, delivers high power in very strong winds

Robust aluminium chassis finished using Airbus approved paint

A4 stainless steel fixings used throughout.

Pairs of top quality, marine grade, sealed for life bearings used

Excellent reliability with a 5 year warranty

Superior battery protection system

Contact miniwindsystems.com to enquire about further details or price information for LE-300 and other home wind turbines.